Running a process that is detached from the terminal is sometimes useful. Case in point, I had to run a database update script remotely via SSH. However, the update script takes a long time (close to an hour) so running it over SSH wouldn’t be practical. Simply being disconnected with …
I was using JSONP (note that I prefer CORS but this was a special case where CORS wasn’t possible) and wanted an object that needed to call a method within itself. As you know, JSONP involves adding a script tag to the DOM which will return the JSON data encapsulated …
I needed to use the latest version of SASS (v3.2) in order to use a new feature where you can pass @content blocks to @mixins. Updating is pretty simple, this worked on OSX 10.8.2: # sudo gem update As an FYI, here’s an example of using @content blocks: @mixin retina …
Here’s a simple way of wrapping an HTML fragment that exists in the DOM within another element, in this case a div: var wrapper = document.createElement(‘div’); wrapper.id = ‘the-wrapper’; wrapper.appendChild(document.querySelector(‘#the-html-fragment’)); At this point, the HTML fragment that was selected via the #the-html-fragment selector was removed from the DOM and attached …
The following is a method of getting the current script’s parent, which may be useful if, for example, you need to append HTML in the same location as the script: var scripts = document.getElementsByTagName(‘script’); parent = scripts[scripts.length – 1].parentNode; The above code maintains the assumption that the currently executing script …
I was working on a project where I needed to do an aggregate sum of a specific property of an array of objects. Consider the following: var obj = [ { thread: ‘An Essay on Javascript’, comments: 9 }, { thread: ‘An Essay on HTML’, comments: 2 }, { thread: …
There’s a whole mess of ways to accomplish this (see this article). Obviously, YMMV, but I chose this route for one simple reason: it makes sense to me. Anyhow, here’s a method of creating an extensible object in Javascript. var theObject = function (config) { this.exProperty = “”; this.exFunction = …
There was a scenario where I set the handler for PNG files to the PHP engine for a certain directory. In this case, it was a barcode generator script and I didn’t want the extension to be .php. In the same directory, however, I had actual PNG files that the …
Getting the above error when trying to debug your mobile Safari application? Here’s the pro tip: disable private browsing. Just go to Settings | Safari and then turn off Private Browsing on your IOS device. Now you can troubleshoot your web applications on your desktop, yay!
As we all know, one of the best ways to prevent SQL injection attacks in PHP (or any server side language for that matter) is to use parameterized queries. But how do you parameterize a WHERE … IN clause? One way is to use a user-defined function. The below example …